From 0cc35ad04f9c2997014d7cf62a12f697e79fb534 Mon Sep 17 00:00:00 2001
From: Arnur Nigmetov <a.nigmetov@gmail.com>
Date: Sat, 20 Jan 2018 19:11:29 +0100
Subject: Major rewrite, templatized version

---
 .../wasserstein/include/spdlog/sinks/dist_sink.h   | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 geom_matching/wasserstein/include/spdlog/sinks/dist_sink.h

(limited to 'geom_matching/wasserstein/include/spdlog/sinks/dist_sink.h')

diff --git a/geom_matching/wasserstein/include/spdlog/sinks/dist_sink.h b/geom_matching/wasserstein/include/spdlog/sinks/dist_sink.h
new file mode 100644
index 0000000..4d4b6b6
--- /dev/null
+++ b/geom_matching/wasserstein/include/spdlog/sinks/dist_sink.h
@@ -0,0 +1,73 @@
+//
+// Copyright (c) 2015 David Schury, Gabi Melman
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/sinks/base_sink.h"
+#include "spdlog/sinks/sink.h"
+
+#include <algorithm>
+#include <mutex>
+#include <memory>
+#include <vector>
+
+// Distribution sink (mux). Stores a vector of sinks which get called when log is called
+
+namespace spdlog
+{
+namespace sinks
+{
+template<class Mutex>
+class dist_sink: public base_sink<Mutex>
+{
+public:
+    explicit dist_sink() :_sinks() {}
+    dist_sink(const dist_sink&) = delete;
+    dist_sink& operator=(const dist_sink&) = delete;
+    virtual ~dist_sink() = default;
+
+protected:
+    std::vector<std::shared_ptr<sink>> _sinks;
+
+    void _sink_it(const details::log_msg& msg) override
+    {
+        for (auto &sink : _sinks)
+        {
+            if( sink->should_log( msg.level))
+            {
+                sink->log(msg);
+            }
+        }
+    }
+
+    void _flush() override
+    {
+        std::lock_guard<Mutex> lock(base_sink<Mutex>::_mutex);
+        for (auto &sink : _sinks)
+            sink->flush();
+    }
+
+public:
+
+
+    void add_sink(std::shared_ptr<sink> sink)
+    {
+        std::lock_guard<Mutex> lock(base_sink<Mutex>::_mutex);
+        _sinks.push_back(sink);
+    }
+
+    void remove_sink(std::shared_ptr<sink> sink)
+    {
+        std::lock_guard<Mutex> lock(base_sink<Mutex>::_mutex);
+        _sinks.erase(std::remove(_sinks.begin(), _sinks.end(), sink), _sinks.end());
+    }
+};
+
+typedef dist_sink<std::mutex> dist_sink_mt;
+typedef dist_sink<details::null_mutex> dist_sink_st;
+}
+}
-- 
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